package com.xjy.dao;

public class Example {



    String str = new String("good");



    char[] ch = { 'a', 'b', 'c' };



    public static void main(String args[]) {



        Example ex = new Example();



        ex.change(ex.str, ex.ch);



        System.out.print(ex.str + " and ");



        System.out.print(ex.ch);



    }



    public void change(String str, char ch[]) {



        str = "test ok";



        ch[0] = 'g';



    }

}